Sand residence times of one million years in the Namib Sand Sea from cosmogenic nuclides

Nature Geoscience

Volumn 3, Issue 12, 2010, Pages 862-865

  Vermeesch, P ^a   Fenton, C R ^b   Kober, F ^c   Wiggs, G F S ^d   Bristow, C S ^a   Xu, S ^b  

^a UNIVERSITY OF LONDON   (United Kingdom)

^b NATURAL ENVIRONMENT RESEARCH COUNCIL   (United Kingdom)

^c GEOLOGICAL INSTITUTE   (Switzerland)

^d UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BURIAL (GEOLOGY); CLIMATE CHANGE; COSMOGENIC RADIONUCLIDE; DUNE; GEOCHRONOLOGY; MARINE SEDIMENT; QUATERNARY; URANIUM-LEAD DATING; ZIRCON;

NAMIB DESERT; NAMIBIA; ORANGE RIVER;

EID: 78649806898     PISSN: 17520894     EISSN: 17520908     Source Type: Journal    
DOI: 10.1038/ngeo985     Document Type: Article

References (25)

1. Ward, J., Seely, M. & Lancaster, N. On the antiquity of the Namib. S. Afr. J. Sci. 79, 175-183 (1983).
2. Pell, S. D., Williams, I. S. & Chivas, A. R. The use of protolith zircon-age fingerprints in determining the protosource areas for some Australian dune sands. Sedim. Geol. 109, 233-260 (1997).
3. Muhs, D. Mineralogical maturity in dunefields of North America, Africa and Australia. Geomorphology 59, 247-269 (2004).
4. Besler, H. Die dünen-Namib: Entstehung und dynamik eines Ergs. Stuttgarter Geographische Studien, Geographisches Institut der Universität Stuttgart 96, 145 (1980).
5. Partridge, T. The evidence for Cainozoic aridification in southern Africa. Quat. Int. 17, 105-110 (1993).
6. McKee, E. Sedimentary structures in dunes of the Namib Desert, South West Africa. Geol. Soc. Am. Spec. Pap. 188 (1982).
7. Lancaster, N. The Namib Sand Sea - Dune Forms, Processes and Sediments (Balkema, 1989).
8. Bierman, P. R. & Caffee, M. Slow rates of rock surface erosion and sediment production across the Namib Desert and Escarpment, Southern Africa. Am. J. Sci. 301, 326-358 (2001).
9. Van der Wateren, F. M.& Dunai, T. J. Late Neogene passive margin denudation history - cosmogenic isotope measurements from the central Namib desert. Glob. Planet. Change 30, 271-307 (2001).
10. Bristow, C. S., Duller, G. A. T. & Lancaster, N. Age and dynamics of linear dunes in the Namib Desert. Geology 35, 555-558 (2007).
11. Forman, S., Oglesby, R. & Webb, R. Temporal and spatial patterns of Holocene dune activity on the Great Plains of North America: megadroughts and climate links. Glob. Planet. Change 29, 1-29 (2001).
12. Granger, D. E. & Muzikar, P. F. Dating sediment burial with in situ-produced cosmogenic nuclides: Theory, techniques, and limitations. Earth Planet. Sci. Lett. 188, 269-281 (2001).
13. Fujioka, T., Chappell, J., Fifield, L. K. & Rhodes, E. J. Australian desert dune fields initiated with Pliocene-Pleistocene global climatic shift. Geology 37, 51-54 (2009).
14. Granger, D. E., Kirchner, J. W. & Finkel, R. Spatially averaged long-term erosion rates measured from in situ-produced cosmogenic nuclides in alluvial sediment. J. Geol. 104, 249-257 (1996).
15. Lancaster, N. Winds and sand movement in the Namib Sand Sea. Earth Surf. Process. Landf. 10, 607-619 (1985).
16. 10Be in Libyan desert glass. Radiocarbon 28, 547-555 (1986).
17. Rogers, J. Sedimentation on the continental margin off the Orange River and the Namib desert. Joint Geol. Surv./UCT Mar. Geosci. Group Bull. 7 (1977).
18. Lancaster, N. & Ollier, C. Sources of sand for the Namib Sand Sea. Z. Geomorph. Suppl. 45, 71-83 (1983).
19. Johnson, M. Sandstone petrography, provenance and plate tectonic setting in Gondwana context of the southeastern Cape-Karoo Basin. S. Afr. J. Geol. 94, 137-154 (1991).
20. Chase, B. M. et al. A record of rapid Holocene climate change preserved in hyrax middens from southwestern Africa. Geology 37, 703-706 (2009).
21. Sole, C. L., Scholtz, C. H. & Bastos, A. D. S. Phylogeography of the Namib Desert dung beetles Scarabaeus (Pachysoma) MacLeay (Coleoptera: Scarabaeidae). J. Biogeogr. 32, 75-84 (2005).
22. Lal, D. Cosmic ray labelling of erosion surfaces: In situ nuclide production rates and erosion models. Earth Planet. Sci. Lett. 104, 424-439 (1991).
23. Dickinson, W. W. & Ward, J. D. Low depositional porosity in eolian sands and sandstones, Namib desert. J. Sedim. Res. A64, 226-232 (1994).
24. Vermeesch, P. CosmoCalc: An Excel add-in for cosmogenic nuclide calculations. Geochem. Geophys. Geosyst. 8, Q08003 (2007).
25. Dunai, T. Scaling factors for production rates of in situ produced cosmogenic nuclides: A critical reevaluation. Earth Planet. Sci. Lett. 176, 157-169 (2000).